imagetest.java

《Java程序设计与应用》-张仕斌-源程序 《Java程序设计与应用》-张仕斌-源程序

//ImageTest.java
import java.awt.*;
import javax.swing.*;

public class ImageTest extends JFrame {
	private Image img = null;
	
	public ImageTest() {
		super("Image Test");
		
		String fileName = "splane.png";  //URL
		
		/*获取指定名字的图像*/
		img = Toolkit.getDefaultToolkit().getImage(fileName);
	}
	
	public void paint(Graphics g) {  //该方法可以自动调用
		g.drawImage(img , 10 , 50 , 100 , 40 , this);
	}
	
	public static void main(String[]args) {
		ImageTest it = new ImageTest();
		it.setDefaultCloseOperation(EXIT_ON_CLOSE);
		it.setSize(300,200);
		it.setVisible(true);
	}
}